1) Which warning is correct for the picture? a) Prevent water pollution! b) Turn off the lights! c) Use public transport more! d) Plant more trees! 2) Turn ........... the taps when you don't use them. a) reduce b) plant c) hunt d) off 3) There is a lot of air .................... in big cities. a) pollution b) environment c) climate d) pesticide 4) Which warning is correct for the picture? a) Stop cutting down trees! b) Don't use chemicals! c) Use renewable energy! d) Recycle rubbish! 5) People .................... destroy forests. They are home to many animals.  a) should b) shouldn't 6) We ........ recycle materials like plastic, paper and glass. a) should b) shouldn't 7) A: What should we do to protect the environment?  a) People should save energy. b) People should waste water. c) People should destroy the forests. d) People should cut more trees. 8) Which one is not an environment problem? a) Air pollution b) Global warming c) Renewable energy d) Water pollution 9) Which one is false? a) Deforestation  b) Planting tree c) Saving energy d) Air pollution 10) Which one is not about saving water? a) We should stop wasting water. b) We should use public transportation. c) We should have shorter bath. d) We shouldn't throw litter into the lakes or sea.

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